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2. Ultraviolet light therapy - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet_light_therapy

   Tanning beds are used both in dermatology practices for the treatment of cosmetic skin conditions (such as psoriasis, acne, eczema and vitiligo) and in indoor tanning salons for cosmetic tanning. Typical treatment regimens involve short exposure to UVB rays 3 to 5 times a week at a hospital or clinic, and repeated sessions may be required ...

3. Light therapy - Wikipedia

   en.wikipedia.org/wiki/Light_therapy

   Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, and skin wound infections.

4. PUVA therapy - Wikipedia

   en.wikipedia.org/wiki/PUVA_therapy

   PUVA (psoralen and UVA) is an ultraviolet light therapy treatment for skin diseases: vitiligo, eczema, psoriasis, graft-versus-host disease, mycosis fungoides, large plaque parapsoriasis, and cutaneous T-cell lymphoma, using the sensitizing effects of the drug psoralen.

5. UV-B lamps - Wikipedia

   en.wikipedia.org/wiki/UV-B_lamps

   UV-B treatments for skin conditions such as psoriasis, vitiligo, and atopic dermatitis are administered in very low doses, often lasting only a few minutes or less than a minute when using lamps emitting 290-300 nanometer light. This low dosage does not significantly increase the risk of skin cancer, making UV-B phototherapy a safe treatment ...

6. Polymorphous light eruption - Wikipedia

   en.wikipedia.org/wiki/Polymorphous_light_eruption

   Artificial UV light sources from tanning units and phototherapy treatment units can also trigger PLE. About three-quarters of patients acquire PLE after UV-A exposure only, one-tenth after UV-B exposure only, and the rest after a combination of UV-A and UV-B exposure. [6] People vary in the amount of sun exposure needed to trigger the rash. [15]

7. Photoaging - Wikipedia

   en.wikipedia.org/wiki/Photoaging

   This then attracts neutrophils which lead to an increase in oxidative damage through the generation of free radicals. [ citation needed ] Additionally, UV radiation would cause the down-regulation of an angiogenesis inhibitor, thrombospondin-1, and the up-regulation of an angiogenesis activator which is platelet -derived endothelial cell growth ...

8. NYT ‘Connections’ Hints and Answers Today, Thursday, January 16

   www.aol.com/nyt-connections-hints-answers-today...

   We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT 'Connections’ hints and answers for #585 on ...

9. Photodynamic therapy - Wikipedia

   en.wikipedia.org/wiki/Photodynamic_therapy

   Photodynamic therapy (PDT) is a form of phototherapy involving light and a photosensitizing chemical substance used in conjunction with molecular oxygen to elicit cell death (phototoxicity). [1] PDT is used in treating acne, wet age-related macular degeneration, psoriasis, and herpes.